Small crack growth and fatigue life predictions for high-strength aluminium alloys: Part I - Experimental and fracture mechanics analysis

Fatigue and Fracture of Engineering Materials and Structures

Volumn 21, Issue 11, 1998, Pages 1289-1306

  Wu, X R ^a   Newman, J C ^b   Zhao, W ^a   Swain, M H ^b   Ding, C F ^a   Phillips, E P ^b  

^a BEIJING INSTITUTE OF AERONAUTICAL MATERIALS   (China)

^b NASA LANGLEY RESEARCH CENTER   (United States)

Author keywords

Corner cracks; Crack closure; Small crack effect; Surface cracks; Total fatigue life prediction; Weight function method

Indexed keywords

CRACK INITIATION; CRACK PROPAGATION; FATIGUE OF MATERIALS; FINITE ELEMENT METHOD; FRACTURE MECHANICS; MATHEMATICAL MODELS; MECHANICAL TESTING; NUMERICAL ANALYSIS; STRENGTH OF MATERIALS; STRESS INTENSITY FACTORS;

CORNER CRACKS; CRACK CLOSURE; SURFACE CRACKS; TOTAL FATIGUE LIFE PREDICTION; WEIGHT FUNCTION METHOD;

ALUMINUM ALLOYS;

EID: 0032201845     PISSN: 8756758X     EISSN: None     Source Type: Journal    
DOI: 10.1046/j.1460-2695.1998.00080.x     Document Type: Article

References (30)

1. S. Pearson (1975) Initiation of fatigue cracks in commercial aluminum alloys and the subsequent propagation of very short cracks. Engng Fracture Mech. 7(2), 235-247.
2. H. Kitagawa and S. Takahashi (1976) Applicability of fracture mechanics to very small cracks or the cracks in the early stage. In: Proceedings 2nd Int. Conf. on Mechanical Behavior of Materials, Boston, MA, pp. 627-631.
3. J. Schijve (1982) Difference between the growth of small and large fatigue cracks - the relation to threshold K-values. Fatigue Thresholds II, 881-908.
4. J. Lankford (1982) The growth of small fatigue cracks in 7075-T6 aluminum. Fatigue Engng Mater. Struct. 5(3), 233-248.
5. J. C. Newman (1983) A nonlinear fracture mechanics approach to the growth of small cracks. In: Behavior of Short Cracks in Airframe Components, AGARD CP-328, pp. 6.1-6.26.
6. K. J. Miller and E. R. de los Rios (1986) The Behavior of Short Fatigue Cracks, Mechanical Engineering Publications (Edited by K. J. Miller and E. R. de los Rios). Instn Mech. Engs, London.
7. R. O. Ritchie and J. Lankford (1986) Small Fatigue Cracks (Edited by R. O. Ritchie and J. Lankford), The Metallurgical Soc., Warrendale, PA, U.S.A.
8. E. P. Phillips and J. C. Newman (1989) Impact of small-crack effects on design-life calculations. Experimental Mechanics 29, 221-225.
9. J. C. Newman and P. R. Edwards (1988) Short-crack growth behavior in aluminum alloy - an AGARD Cooperative Test Programme. AGARD R-732.
10. P. R. Edwards and J. C. Newman (1990) Short-crack growth behavior in various aircraft materials. AGARD R-767.
11. J. C. Newman (1992) Fracture mechanics parameters for small fatigue cracks. In: Small Crack Test Methods (Edited by J. Larsen and J. Allison), ASTM STP 1149, American Society for Testing and Materials, Philadelphia, pp. 6-33.
12. X. R. Wu, J. C. Newman, C. G. Li and S. L. Venneri (1994) Small crack effects in high strength aluminum alloys, A CAE/NASA Cooperative Program. Selected Papers in Scientific and Technical International Cooperative Program, 5, Chinese Aeronautical Establishment (in Chinese), see also J. C. Newman, X. R. Wu, S. L. Venneri and C. G. Li (1994) NASA RP1309.
13. X. R. Wu, J. C. Newman, C. G. Li and S. L. Venneri (1994) Small crack effects in high strength aluminum alloys, A CAE/NASA Cooperative Program. Selected Papers in Scientific and Technical International Cooperative Program, 5, Chinese Aeronautical Establishment (in Chinese), see also J. C. Newman, X. R. Wu, S. L. Venneri and C. G. Li (1994) NASA RP1309.
14. M. H. Swain and J. C. Newman (1984) On the use of marker loads and replicas for measuring growth rates for small cracks. Fatigue Crack Topography, AGARD-376, pp. 12.1-12.17.
15. I. S. Raju and J. C. Newman (1979) Stress-intensity factors for a wide range of semi-elliptical surface cracks in finite-thickness plates. Engng Fracture Mech. 11(4), 817-829.
16. I. S. Raju and J. C. Newman (1979) Stress-intensity factors for two symmetric corner cracks. In: Fracture Mechanics (Edited by C. W. Smith), ASTM STP 677, American Society of Testing and Materials, Philadelphia, pp. 411-430.
17. K. N. Shivakumar and J. C. Newman (1991) Stress intensity factors for large aspect ratio surface and corner cracks at a semi-circular notch in a tension specimen. Engng Fracture Mech. 38(6), 467-473.
18. G. P. Nikishkov and S. N. Atluri (1987) An equivalent domain integral method for computing crack-tip integral parameters in non-elastic, thermo-mechanical fracture. Engng Fracture Mech. 26(6), 851-867.
19. K. N. Shivakumar, P. W. Tan and J. C. Newman (1988) A virtual crack-closure technique for calculating stress-intensity factors for cracked three-dimensional bodies. Int. J. Fracture 36, R43-R50.
20. W. Zhao, X. R. Wu and M. G. Yan (1989) Weight function method for three dimensional crack problems-I. Basic formulation and application to an embedded elliptical crack in finite plates. Engng Fracture Mech. 34(3), 593-607.
21. W. Zhao, X. R. Wu and M. G. Yan (1989) Weight function method for three dimensional crack problems-II. Application to surface cracks at a hole in finite thickness plates under stress gradients. Engng Fracture Mech. 34(3), 609-624.
22. W. T. Fujimoto (1976) Determination of crack growth and fracture toughness parameters for surface flaws emanating from fastener holes. In: Proceedings AIAA/ASME/SAE 17th Structure, Structural Dynamics and Material Conference, King of Prussia, PA, pp. 522-531.
23. X. R. Wu and J. Carlsson (1983) The generalized weight function method for crack problems with mixed boundary conditions. J. Mech. Phys. Solids 31(6), 485-497.
24. X. R. Wu (1984) Approximate weight functions for center and edge cracks in finite bodies. Engng Fracture Mech.20(01), 35-49.
25. X. R. Wu (1985) Weight functions and stress-intensity factors for radial crack(s) emanating from a circular hole in an infinite sheet. The Royal Institute of Technology, Report, 63, Stockholm, Sweden.
26. X. R. Wu and A. J. Carlsson (1991) Weight Functions and Stress Intensity Factor Solutions, Pergamon Press, Oxford.
27. W. Zhao and X. R. Wu (1990) Stress intensity factor evaluation by weight function for surface cracks in edge notch. Theoret. Applied Fracture Mech. 13, 225-238.
28. W. Zhao and X. R. Wu (1990) Stress-intensity factors for corner cracks at a semi-circular notch under stress gradients. Fatigue Fract. Engng Mater. Struct. 13(4), 347-360.
29. P. W. Tan, I. S. Raju and J. C. Newman (1988) Boundary force method for analyzing two-dimensional cracked plates. In: Fracture Mechanics: Eighteenth Symposium (Edited by D. T. Read and R. P. Reed), ASTM STP 945, American Society for Testing and Materials, Philadelphia, pp. 259-277.
30. L. A. James and W. E. Anderson (1969) A simple experimental procedure for stress-intensity factor calibration. Engng Fracture Mech. 1, 565-568.